Back to Back

The first line will contain an integer $T$, the number of test cases. Then, the first line of each test case will contain an integer $N$, the size of the array $A$ and the next line will contain the array. After that, there will be an integer $Q$, the number of queries followed by $Q$ queries as explained above.


This is a companion discussion topic for the original entry at https://toph.co/p/back-to-back